<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">2017-02-27 13:19 GMT+01:00 Kosyrev Serge <span dir="ltr"><<a href="mailto:skosyrev@ptsecurity.com" target="_blank">skosyrev@ptsecurity.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Good day!<br>
<br>
If there is an interest in prior art, /and/ there is a motivation in<br>
making things future-proof, there is that somewhat elaborate construction<br>
coming from Common Lisp:<br>
<br>
<a href="https://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node203.html" rel="noreferrer" target="_blank">https://www.cs.cmu.edu/Groups/<wbr>AI/html/cltl/clm/node203.html</a><br>
[...]<br></blockquote><div><br></div><div>And something more (= a quarter century ;-) recent from C++-land:</div><div><br></div><div>   <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3505.html">http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3505.html</a><br></div><div>   <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0011r0.html">http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0011r0.html</a></div><div><br></div><div>Cheers,</div><div>   S.</div></div></div></div>